[Backport 3.3.x][Fixes #8534] Include links inside resources API v2 r…

…esponse (#8536)

* [Fixes #8534] Include links inside resources API v2 response[Fixes

* - add test

* - update test

geonode/base/api/serializers.py

@@ -21,6 +21,7 @@
 from django.conf import settings
 from django.contrib.auth.models import Group
 from django.contrib.auth import get_user_model
+from django.forms.models import model_to_dict
 
 from rest_framework import serializers
 from rest_framework_gis import fields
@@ -48,6 +49,7 @@
 
 from geonode.base.utils import build_absolute_uri
 from geonode.security.utils import get_resources_with_perms
+from geonode.base.models import Link
 
 import logging
 
@@ -69,6 +71,42 @@ def to_representation(self, instance):
         return data
 
 
+class ResourceBaseToRepresentationSerializerMixin(DynamicModelSerializer):
+
+    def to_representation(self, instance):
+        request = self.context.get('request')
+        data = super(ResourceBaseToRepresentationSerializerMixin, self).to_representation(instance)
+        if request:
+            data['perms'] = instance.get_user_perms(request.user).union(
+                instance.get_self_resource().get_user_perms(request.user)
+            )
+            if not request.user.is_anonymous and getattr(settings, "FAVORITE_ENABLED", False):
+                favorite = Favorite.objects.filter(user=request.user, object_id=instance.pk).count()
+                data['favorite'] = favorite > 0
+        # Adding links to resource_base api
+        obj_id = data.get('pk', None)
+        if obj_id:
+            dehydrated = []
+            link_fields = [
+                'extension',
+                'link_type',
+                'name',
+                'mime',
+                'url'
+            ]
+
+            links = Link.objects.filter(
+                resource_id=int(obj_id),
+                link_type__in=['OGC:WMS', 'OGC:WFS', 'OGC:WCS', 'image', 'metadata']
+            )
+            for lnk in links:
+                formatted_link = model_to_dict(lnk, fields=link_fields)
+                dehydrated.append(formatted_link)
+            if len(dehydrated) > 0:
+                data['links'] = dehydrated
+        return data
+
+
 class ResourceBaseTypesSerializer(DynamicEphemeralSerializer):
     name = serializers.CharField()
     count = serializers.IntegerField()
@@ -243,7 +281,10 @@ def to_representation(self, value):
         return UserSerializer(embed=True, many=False).to_representation(value)
 
 
-class ResourceBaseSerializer(BaseDynamicModelSerializer):
+class ResourceBaseSerializer(
+    ResourceBaseToRepresentationSerializerMixin,
+    BaseDynamicModelSerializer
+):
 
     def __init__(self, *args, **kwargs):
         # Instantiate the superclass normally
@@ -331,18 +372,6 @@ class Meta:
             # users_geolimits, groups_geolimits
         )
 
-    def to_representation(self, instance):
-        request = self.context.get('request')
-        data = super().to_representation(instance)
-        if request:
-            data['perms'] = instance.get_user_perms(request.user).union(
-                instance.get_self_resource().get_user_perms(request.user)
-            )
-            if not request.user.is_anonymous and getattr(settings, "FAVORITE_ENABLED", False):
-                favorite = Favorite.objects.filter(user=request.user, object_id=instance.pk).count()
-                data['favorite'] = favorite > 0
-        return data
-
 
 class FavoriteSerializer(DynamicModelSerializer):
     resource = serializers.SerializerMethodField()

geonode/base/api/tests.py

@@ -36,7 +36,7 @@
 
 from geonode import geoserver
 from geonode.layers.models import Layer
-from geonode.utils import check_ogc_backend
+from geonode.utils import check_ogc_backend, set_resource_default_links
 from geonode.favorite.models import Favorite
 from geonode.documents.models import Document
 from geonode.base.utils import build_absolute_uri
@@ -275,6 +275,13 @@ def test_base_resources(self):
         self.assertTrue(self.client.login(username='norman', password='norman'))
         response = self.client.get(f"{url}/{resource.id}/", format='json')
         self.assertFalse('change_resourcebase' in list(response.data['resource']['perms']))
+        # response has links property
+        # create link
+        if check_ogc_backend(geoserver.BACKEND_PACKAGE):
+            layer = Layer.objects.first()
+            set_resource_default_links(layer, layer)
+            response = self.client.get(f"{url}/{layer.id}/", format='json')
+            self.assertTrue('links' in response.data['resource'].keys())
 
     def test_delete_user_with_resource(self):
         owner, created = get_user_model().objects.get_or_create(username='delet-owner')